Here's a round-up of what's been happening on our 6 Micro-Sites this week:

On EIZO ColorZone this week, there are techniques covering 6 ways to better a colour management environment and a round-up of the top colour temperature tutorials in the features section. There's news on how you can get hands-on with an EIZO monitor this May too, with several events that will be attended by EIZO, so be sure to check out the news section for more information.

Over on Nikon Nation this week, there are tips on achieving better abstract flower photos in the techniques section and in the features section you'll find an article taking a look at the key features of the Nikon D4s and why you should consider it as your next professional camera upgrade. We revealed the winner of our April 'Travel' competition this week, where there was a Nikon D5300 kit up for grabs, so take a look at eh news section to find out more.

There are techniques on taking better selfie photos with the NX Mini this week on Samsung NX Generation, plus an introduction to the Samsung NX Mini in the features section. We also published our full review of the Samsung NX Mini this week, so if you'd like to find out more, head over to the reviews section. Be sure to have a browse through the Samsung gallery too, where all the latest images from Samsung users are displayed.

On Totally Tamron this week, find out how you can improve your rapeseed field photography with Tamron lenses in the techniques section and we focus in on the Tamron SP 24-70mm f/2.8 VC USD lens to find out more about this versatile lens in the features section. Make sure to head over to David Pritchard's blog, the days zoom past, to see how he's getting on with putting the 24-70mm optic through its paces.

There are techniques on how you can use the 50mm macro lens in various different types of scene on Pentax Portal this week, plus don't miss our round-up of some recent top examples of black and white photography by Pentax users in the features section. There's news this week of a Pentax Q7 price drop, plus there's chance to win a Pentax K-3 in the Ricoh Imaging UK Facebook competition - head over to the news section to find out more.

Meanwhile on Olympus Image Space, there's information on the Dramatic Tone filter, what it is and where it is best used, plus take a look at the features section where you can learn more about focus peaking in Olympus cameras. We announced the winner of the Where's Robin Whalley competition this week in the news section, plus there's a round up of Olympus photography courses happening soon, so be sure to book your place so you don't miss out!